Definition: You are given a question on college chemistry. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: Reduction of D-xylose with NaBH4 yields a product that is a
(A)racemic mixture (B)single pure enantiomer (C)mixture of two diastereomers in equal amounts (D)meso compound

D